How to find distinct rows with field in list using JPA and Spring?

Question

I am using Spring to connect to the db. I have an interface extending CrudRepository Here is the query I want execute on the db: SELEC

Answer 1

Have you tried rewording your query like this?

@Query("SELECT DISTINCT p.name FROM People p WHERE p.name NOT IN ?1")
List findNonReferencedNames(List names);

Note, I'm assuming your entity class is named People, and not people.